US20060162169A1 - Compact dispensing tube opener - Google Patents
Compact dispensing tube opener Download PDFInfo
- Publication number
- US20060162169A1 US20060162169A1 US11/369,407 US36940706A US2006162169A1 US 20060162169 A1 US20060162169 A1 US 20060162169A1 US 36940706 A US36940706 A US 36940706A US 2006162169 A1 US2006162169 A1 US 2006162169A1
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- United States
- Prior art keywords
- housing
- opener
- passageway
- carriage
- dispensing
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D3/00—Cutting work characterised by the nature of the cut made; Apparatus therefor
- B26D3/02—Bevelling
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C17/00—Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces
- B05C17/005—Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces for discharging material from a reservoir or container located in or on the hand tool through an outlet orifice by pressure without using surface contacting members like pads or brushes
- B05C17/00503—Details of the outlet element
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C17/00—Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces
- B05C17/005—Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces for discharging material from a reservoir or container located in or on the hand tool through an outlet orifice by pressure without using surface contacting members like pads or brushes
- B05C17/0052—Accessories therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C17/00—Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces
- B05C17/005—Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces for discharging material from a reservoir or container located in or on the hand tool through an outlet orifice by pressure without using surface contacting members like pads or brushes
- B05C17/00596—The liquid or other fluent material being supplied from a rigid removable cartridge having no active dispensing means, i.e. the cartridge requiring cooperation with means of the handtool to expel the material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C17/00—Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces
- B05C17/005—Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces for discharging material from a reservoir or container located in or on the hand tool through an outlet orifice by pressure without using surface contacting members like pads or brushes
- B05C17/01—Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces for discharging material from a reservoir or container located in or on the hand tool through an outlet orifice by pressure without using surface contacting members like pads or brushes with manually mechanically or electrically actuated piston or the like
- B05C17/0143—Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces for discharging material from a reservoir or container located in or on the hand tool through an outlet orifice by pressure without using surface contacting members like pads or brushes with manually mechanically or electrically actuated piston or the like comprising means for cutting or cleaning the cartridge nozzle tip
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D1/00—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor
- B26D1/01—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work
- B26D1/04—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a linearly-movable cutting member
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D1/00—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor
- B26D1/01—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work
- B26D1/04—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a linearly-movable cutting member
- B26D1/06—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a linearly-movable cutting member wherein the cutting member reciprocates
- B26D1/08—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a linearly-movable cutting member wherein the cutting member reciprocates of the guillotine type
Abstract
A compact dispensing tube opener for accessing contents of a dispensing tube having a dispensing tip and an inner seal. The opener includes a housing with first and second passageways therein meeting at an angle at an intersection. A blade carriage is movable in the second passageway and across the intersection at one end thereof, a manually accessible portion at an opposite end thereof extending from the housing. A cooperative guide structure at the housing and the blade carriage maintains carriage slidability within the housing during use without binding. Return springs are maintained in the housing for returning the carriage after use. A dispenser tube tip locator is slidably maintained at the housing adjacent to an opening to the first passageway and has plurality of angled passages therethrough each with a different diameter. A lance is mounted at the housing for puncturing the seal, and is pivotable into and out of a channel defined crosswise in the housing.
Description
- This invention is a continuation-in-part of U.S. patent application Ser. No. 11041,133 filed Jan. 24, 2005 by inventors herein and entitled DISPENSING TUBE OPENER.
- This invention relates to openers for cylindrical tubes having a closed and sealed dispensing tip such as the type utilized for packaging and dispensing caulk or other sealants or adhesives, and, more particularly, relates to a compact cutter/opener for such dispensing tubes.
- Sealants such as caulk and adhesives are commonly provided in and dispensed from cylindrical tubes having a monolithic tapering (elongated conical, for example) plastic dispensing tip that is closed at its outermost tapered end upon delivery to an end user. Such tubes also commonly include a plastic/foil seal at the interface between the tube and dispensing tip. The dispensing tip must be cut and the foil seal punctured before any product can be dispensed from the device. Product then may be dispensed using a mechanical device that applies pressure at the back of the cylindrical tube opposite the tip, often referred to as a “caulk gun”.
- For aesthetic reasons, application of caulking or other sealants at various surfaces (around masonry, plumbing fixtures, windows and the like) requires precision to provide a bead of material having consistent width and/or depth and without surface blemishes. A properly cut dispensing tip on a caulk tube, for example, is preferably cut at a 45° angle at a location along the tip selected to provide a predetermined opening (and thus dispensed product) diameter. The cut must be without burrs to avoid striations or changes in shape of the applied bead. The foil seal must then be punctured to allow dispensing of the material in the tube.
- Heretofore, such cuts were most often accomplished utilizing various knives, utility knives for example. Seal punctures were commonly produced by the nearest available lance, such as a nail or the like. Obtaining the desired tube cut (at the proper angle, linearity and without burrs) using such tools is difficult at best, and thus the desired degree of perfection in the application of the material bead is compromised. Such operations utilizing a utility knife are also hazardous for the worker.
- Dedicated cutting tools or cutting markers for such purposes have heretofore been suggested and/or utilized, and have often been deployed together with a caulking gun (see U.S. Pat. Nos. 4,328,910, U.S. Pat. Nos. Des. 414,665, 4,158,914, 4,802,607, 6,056,156, 4,135,644 and 4,493,437. Such heretofore suggested dispensing tube cutting tools, however, have not always improved user safety or provided for selected tube tip opening diameter, angle precision or consistency and smoothness of cuts. Moreover, some tools heretofore suggested and/or utilized are often bulky and inconvenient or difficult to use (particularly when made part of a caulking gun). Larger tools are always subject to being laid down after use at a job site and forgotten and therefore not locatable when the next need arises. Tools that are difficult to use or time consuming in operation are soon abandoned to habitual use of older tools, even though the older tools may not provide the desired dispensing characteristics. The combination of a tool specifically adapted to provide repeatable, precision angled and located dispensing tube tip cuts and seal punctures, while being readily carried (in one's pocket, for example) by a user and thus ready for use as needed by a busy artisan, has not been heretofore suggested, and could be utilized.
- Cutters have been suggested in different fields that provide for angled cuts of a stem or the like (for example, see U.S. Pat. Nos. 3,911,577, 4,928,424 and 4,348,832). Such items have not been used for cutting in fields presenting the same problems encountered when opening dispensing tubes of the type discussed herein, and thus are not readily adaptable to the task. Other cutters utilize a more compact sliding knife design for cutting articles such as cigar tips and wire leads, but again are not readily adaptable for the opening of dispensing tubes (see, for example, U.S. Pat. Nos. 1,086,463, 5,992,022 and 4,597,179). Further improvements could thus still be utilized.
- This invention provides an opener for accessing contents of a dispensing tube having a monolithic dispensing tip that requires cutting, as well as a seal at the tip base that requires puncturing, to allow dispensing of material from the tube. The opener is user safe and allows for user selected tube tip opening diameter, cut angle precision and cut consistency and smoothness. The opener is compact (fitting in the user's palm and storing readily in a pocket or pouch), combining all necessary opening tools in a single form factor, and is thus more convenient and simple to use.
- A now preferred embodiment of the compact dispensing tube opener of this invention includes a housing defining first and second passageways intersecting at an angle in the housing. The first passageway receives and stabilizes a selected length of the dispensing tip therein. At least one slide guide is located adjacent to the second passageway.
- A blade carriage includes a blade receiving end maintained substantially entirely within the housing and a manually accessible portion extending from the housing. At least one guide for slidable movement of the slide guide of the housing is located thereat. A return mechanism (for example, a spring) is maintained in the housing and is operatively associated with the carriage for returning the carriage to a position with the manually accessible portion substantially fully extended from the housing.
- The first passageway of the housing has first and second openings, the housing having a narrow cross-section between the first and second openings. A tip locator is movably retained adjacent to the first opening of the first passageway and has plural angled passages therethrough each with a different diameter. The locator passages are selectively movable into correspondence with the first opening of the first passageway.
- The housing preferably includes a transverse channel extending crosswise in one side of the housing. A lance is pivotably mounted at the housing for puncturing the seal, and is pivotable into and out of the channel.
- A second embodiment of the opener includes a housing having first and second elongated passageways intersecting therein at an angle. The first passageway has a span selected to receive and stabilize a length of the dispensing tip at a cutting location. A cutting utility is mounted for movement in the other passageway and has a cutting end preferably maintained substantially entirely within the housing, a user contactable portion thereof extending from the housing. The cutting end is located adjacent to the intersection with the first passageway, the user contactable portion being engageable by a user to move the cutting end across the first passageway.
- The housing includes a matable structure adjacent to a first end of the first passageway. A locating collar (or collars) is receivable at the first end of the first passageway, a mating structure thereof engageable at the matable structure of the housing and configured for stabilization of the dispensing tip received in the first passageway at different user selected cutting locations along its length. A mechanism is maintained in the housing for returning the cutting utility to a position with the cutting end substantially withdrawn from the first passageway after a cut is made.
- It is therefore an object of this invention to provide an improved compact dispensing tube opener for accessing contents of a dispensing tube having a monolithic dispensing tip that requires cutting, as well as a seal at the tip base that requires puncturing, to allow dispensing of material from the tube.
- It is another object of this invention to provide an opener for accessing contents of a dispensing tube that is user safe and allows for user selected tube tip opening diameter, cut angle precision and cut consistency and smoothness.
- It is another object of this invention to provide a compact combination tool specifically adapted to provide repeatable, precision angled and located, dispensing tube tip cuts and seal punctures, while being readily carried on the user and thus ready for use as needed.
- It is still another object of this invention to provide an opener for accessing contents of a dispensing tube that fits into a user's palm and stores readily in a pocket.
- It is yet another object of this invention to provide an compact opener for accessing contents of a dispensing tube that is convenient and simple to implement.
- It is another object of this invention to provide a compact dispensing tube opener for accessing contents of a dispensing tube having a tip that requires cutting to allow dispensing of material from the tube, the opener including a housing defining first and second passageways intersecting at an angle in the housing, the first passageway for receiving and stabilizing a selected length of the dispensing tip therein and the second passageway having at least a first slide guide adjacent thereto, and a blade carriage having at least a first guide for slidable movement of the slide guide of the housing thereat, the carriage including a blade receiving end maintained substantially entirely within the housing and a manually accessible portion extending from the housing.
- It is still another object of this invention to provide an opener for accessing contents of a dispensing tube having a dispensing tip that requires cutting to allow dispensing of material from the tube and an inner seal within the tube, the opener including a housing defining first and second passageways intersecting at an angle in the housing, the first passageway for receiving and stabilizing a length of the dispensing tip between first and second openings of the first passageway, the housing having a narrow cross-section between the first and second openings, a blade carriage slidably maintained at the second passageway of the housing and having a blade securing end and a manually accessible portion extending from the housing, and a tip locator movably retained adjacent to the first opening of the first passageway of the housing and having plural angled passages therethrough each with a different diameter and selectively movable into correspondence with the first opening of the first passageway.
- It is yet another object of this invention to provide a compact dispensing tube opener for accessing contents of a dispensing tube having a dispensing tip and an inner seal, the opener including a compact housing having a first passageway extending between first and second openings, an intersection defined between the openings, the housing including a transverse channel extending crosswise in one side of the housing, a blade carriage movable across the intersection at one end thereof and having a manually accessible portion at an opposite end thereof extending from the housing, the blade carriage including at least a first guide for maintaining slidability of the carriage within the housing during use, a return maintained in the housing and operatively associated with the carriage for returning the carriage to a position with the one end substantially withdrawn from the intersection, a tip locator slidably maintained at the housing adjacent to the first opening of the first passageway and having plural angled passages therethrough each with a different diameter and selectively movable into correspondence with the first opening of the first passageway, and a lance pivotably mounted at the housing for puncturing the seal, the lance pivotable into and out of the channel.
- With these and other objects in view, which will become apparent to one skilled in the art as the description proceeds, this invention resides in the novel construction, combination, and arrangement of parts substantially as hereinafter described, and more particularly defined by the appended claims, it being understood that changes in the precise embodiment of the herein disclosed invention are meant to be included as come within the scope of the claims.
- The accompanying drawings illustrate a complete embodiment of the invention according to the best mode so far devised for the practical application of the principles thereof, and in which:
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FIG. 1 is a perspective view of a first embodiment of the dispensing tube opener of this invention; -
FIG. 2 is an exploded perspective view of the opener ofFIG. 1 ; -
FIG. 3 is a sectional view of the opener ofFIG. 1 illustrating operation of the opener to cut a dispensing tip of a cylindrical dispensing tube; -
FIG. 4 is a perspective view of the depth adjustment collar utilized with the opener ofFIG. 1 ; -
FIG. 5 is an end view illustrating a second embodiment of the opener of this invention employing plural collars each configured to achieve a different dispensing opening diameter; -
FIG. 6 is an end view of still another embodiment of the opener of this invention employing a threaded design at the collar interface for selective dispensing opening diameter; -
FIG. 7 is a perspective view of a second, and now preferred, embodiment of the compact dispensing tube opener of this invention; -
FIG. 8 is a reverse perspective view of the opener ofFIG. 7 ; -
FIG. 9 is a side plan view of the opener ofFIG. 7 ; -
FIG. 10 is a sectional view taken through section lines 10-10 ofFIG. 9 ; -
FIG. 11 is a sectional view taken through section lines 11-11 ofFIG. 9 ; -
FIG. 12 is an exploded perspective view of the opener ofFIG. 7 ; -
FIG. 13 is a plan view of one half of the opener ofFIG. 7 with the housing open; -
FIG. 14 is a plan view of an opposite half (with respect toFIG. 13 ) of the opener ofFIG. 7 with the housing open; -
FIG. 15 is a perspective view of the opener ofFIG. 7 with a dispensing tube in place ready to be cut; -
FIG. 16 is a sectional view taken through section lines 16-16 ofFIG. 15 ; and -
FIGS. 17 through 19 are side plan views illustrating cut opening size adjustment utilizing the opener ofFIG. 7 . - Referring to
FIGS. 1 through 3 , afirst embodiment 11 of the opener of this invention is illustrated. The opener is configured for accessing the contents of a dispensingtube 13 of the type having amonolithic dispensing tip 15 that requires cutting to allow dispensing of material from the tube (seeFIG. 3 ). Such tubes, common in the trades pertaining to caulking and sealing, also typically have an inner foil seal that must also be punctured in order of material to be dispensed. -
Opener 11 includes ahousing 17 formed from upper andlower housing sections connectors elongated passageways housing 17 by the interior configurations ofhousing sections intersection 33 within the housing (see especiallyFIG. 3 ).Housing section 21 includesangled portion 34 defining the greater part ofpassageway 29.Passageways intersection 33, the angle selected to accommodate angled cutting of dispensing tip 15 (in the range of from 15° to 80° relative to the axis defining dispensing tip length, and preferably 45° as shown herein, though other models can be configured for different cutting angles). - Length of span of
passageway 29 is selected to receive a selected length of dispensingtip 15 therethrough and stabilize the dispensing tip at a cutting location atintersection 33.Housing section 21 includesabutment 41 havingguides 43 positioned laterally thereof (similar guides are correspondingly positioned athousing section 19, but without a corresponding abutment). Bothhousing sections engageable housing extensions housing 17 which are engageable by a user's finger during use as will become apparent.Opening 49 fromhousing 17 is formed at one end ofpassageway 31 by the configuration ofhousing sections 19 and 21 (the other end ofpassageway 31 terminating at or near intersection 33).Openings tip 15 through the passageway as shown inFIG. 3 . -
Channel 61 along the length of the exterior ofhousing section 19 is provided for storage oflance 63 whenlance 63 is not in use.Lance 63 is provided for puncturing the foil seal internal of may dispensing tubes, and includes anenlarged collar 65 atpuncture end 67 thereof to enhance puncture efficacy.Lance 63 includesintegral pivot 69 held athub structure 71 formed by structure at each ofhousing sections Leg 71 oflance 63 accommodates pivoting oflance 63 into and out ofchannel 61. - As shown in
FIG. 2 ,openings housing 17 to receive and retain the threaded connectors.Connectors extensions connector 27 is received by threadedpost 81 athousing section 21.Pins extensions housing section 21 are receivable in corresponding openings atextensions housing section 19 to aid alignment retention between housing sections.Guide surface 101 is defined athousing section 21 adjacent to intersection 33 (a corresponding guide surface is defined athousing section 19 adjacent to opening 53). For reasons that will become apparent as this description proceeds, the various guides and guide surfaces athousing sections gap 102 is defined between the guides and guide surfaces athousing section 19 and the corresponding ones of the guides and guide surface at housing section 21 (as shown between guide surfaces 101 inFIG. 3 , it being understood that a similar gaps exist between corresponding guides 43). - Cutting
utility 105 is mounted for linear movement in atpassageway 31 ofhousing 17, and includesslide 107 having a cutting end 109 (preferably having a concave cutting surface thereat, the concavity substantially matchingarc 110 defined by the entry atintersection 33 of passageway 29) thereat andplunger 111 having a usercontactable portion 113 thereat. Cuttingend 109 is maintained entirely withinhousing 17 thus enhancing user safety. One end ofplunger 111 includingportion 113 extends through opening 49 from thehousing 17.Plunger 111 and slide 107 are friction fit to one another withspread fork 117 receivable intoslot 118 atend 119 ofplunger 111. Slot 121 atfork 117 andslot 123 inplunger 111 are provided to receiveconnector 27 therethrough to furthersecure plunger 111 within the opener and define the extent of travel ofutility 105 in passageway 31 (seeFIG. 3 ). End guides 125 ofplunger 111 are guided ontracks 127 ofadjacent passageway 31 at each ofhousing sections 19 and 21 (seeFIG. 3 ). -
Slide 107 of cuttingutility 105 hasslot 131 therein receivable overabutment 41.Slide 107 is smoothly transported betweencorresponding guides 43 and guidesurfaces 101 athousing sections gap 102 thus maintaining, in cooperation with the stable location offork 117 inslot 118 ofplunger 111, alignment ofslide 107 and thus the cutting surface of cuttingend 109 thereof.Return spring 133 is maintained inslot 131 with one end thereof contactingabutment 41 and the other end contacting the end of slot 131 (other means of biasing cuttingutility 105 could be utilized at would be apparent). In use, this arrangement assures return of cuttingutility 105 to a position withplunger 111 fully extended fromhousing 17 and with cuttingend 109 substantially withdrawn frompassageway 29 after movement by a user to cut a dispensing tip (with the user engagingcontactable portion 113 to move cuttingend 109 acrosspassageway 29 having a dispensing tip selectively located thereat). - Turning now to
FIG. 4 , locatingcollar 137 is provided for user adjustment of the effective length ofpassageway 29 thereby accommodating stabilization of dispensingtip 15 at different user selected cutting locations along the length of the dispensing tip.Collar 137 includes mountingopening 139 and dispensingtip receiving opening 141 and is mountable at mountingopening 139 at the end ofangled portion 34 ofhousing section 21.Housing section 21 includes at least one protuberance 145 (preferably two) at the end thereof. Plural mating notches 147 (preferably three for each provided protuberance 145) are arrayed at an interior portion ofcollar 137 at different depths relative to receivingopening 141. - Engagement (as shown in
FIG. 3 ) ofprotuberances 145 with opposing selectednotches 147 secured collar 137 a selected distance from theintersection 33. By twistingcollar 137 to achieve engagement of a different pair ofnotches 147 at protuberances 145 (the different pair at a different depth relative to receiving opening 141) a different distance is achieved tointersection 33, thus effectively adjusting the length ofpassageway 29 and defining a new cutting location along the length of an inserted dispensing tip 15 (for tips of the same size). The three notch pair depth locations preferred, when used in association with commonly sized dispensing tube tips, correspond to a dispensing tip opening size after cutting of 0.5″, 0.25″ or 0.125″ depending uponnotch 147 pair selection. - It should be realized that the use of protuberances and notches as shown could be reversed (with a notch of notches located at
housing 17 and a protuberance of protuberances located atcollar 137. Moreover, as an alternative to collars having multiple, different depth notches, plural collars could be provided each one having a single notch pair at a different depth with respect to others of the plural collars. - A first alternative embodiment of this invention is illustrated by
FIG. 5 wherein user adjustment of cross-section of at least a segment ofpassageway 29 to accommodate different user selected cutting locations is accomplished by providingplural locating collars opening 157 and a dispensingtip receiving opening 159 and each separately mountable at mountingopening 157 at the end ofangled portion 34 ofhousing section 21. As beforehousing section 21 includes at least oneprotuberance 145 at the end thereof. An equal number of notches 161 (equal in number toprotuberance 145 are provided at each collar for securement of the collars on the end ofangled portion 34 engagingprotuberance 145. In each ofcollars opening 157 or receivingopening 159 has a different selected internal diameter relative to the other of plural collars. - This means limits extent to which a tapered
dispensing tube tip 15 is allowed entry into passageway 39 (different amounts for different ones of the collars) thereby defining different cutting locations along the length of an inserted dispensing tip 15 (for tips of the same size) depending on the collar selected. The three collars preferred, when used in association with commonly sized dispensing tube tips, have internal diameters corresponding to a dispensing tip opening size after cutting of approximately 0.375″, 0.25″ or 0.125″ depending upon the collar selected. - A second alternative embodiment of this invention is illustrated by
FIG. 6 wherein user adjustment of the effective length ofpassageway 29 to accommodate different user selected cutting locations is accomplished by providing a threadedportion 171 at the end ofangled portion 34 ofhousing section 21 for engaging mating threadedsection 173 at locating collar 175 (the internal and external thread configurations could be reversed). Indicator/gauge 177 is located at threadedportion 171 and is calibrated to show the different positions a user should use when threadingcollar 175 onto threadedportion 171 to locate end 179 (adjacent to the mounting opening thereof) ofcollar 175 to achieve a selected dispensing tip opening size after cutting (0.5″, 0.25″ or 0.125″, for example). - Thus by threading
collar 175 to move the collar up or down relative to indicator 177 a different distance is achieved to betweenintersection 33 and dispensingtip receiving opening 159 181, thus effectively adjusting the length ofpassageway 29 and defining a new cutting location along the length of an inserted dispensing tip 15 (for tips of the same size). - The openers of this embodiment of the invention are preferably of a size selected so that
contactable portion 113 is engageable in a hand of the user and moveable thereby in cooperation with fingers of the same hand engaginghousing extensions 45 and/or 47, thereby to effect cutting movement of cuttingend 109 of cuttingutility 105. The preferred dimensions are thus about 5″ long and 2″ or less wide (at angled portion acrossfinger grip extensions 45 to 47), withhousing 17 atpassageway 31 being less than about 1″ in diameter. -
FIGS. 7 through 15 illustrate the now preferredembodiment 200 of the opener of this invention. As before, the opener is configured for accessing the contents of a dispensingtube 13 of the type having amonolithic dispensing tip 15 that requires cutting and aninner foil seal 201 that must be punctured to allow dispensing of material from the tube (seeFIGS. 15 and 16 ). - Similar to
opener 11,opener 200 is embodied in ahousing 203 having a much more compact form factor.Housing 203 is defined byhousing sections housing section 207 having first andsecond case portions FIGS. 13 and 14 ) and any suitable means such as mechanical snaps or, as shown, threadedconnectors 213,case portion 211 stabilizingcase portion 209 at overlapping lips 214 (FIG. 12 ). As shown inFIGS. 10, 13 , 14 and 16, first andsecond passageways housing 203 by thehousing sections FIGS. 10 and 16 ).Passageway 215 intersectspassageway 217 at a selected angle to accommodate angled cutting of dispensing tip 15 (in the range of from 15° to 80° depending on unit design, and preferably about 45° as shown herein). - As with the prior embodiment, the length of span of
passageway 215 is selected to receive a selected length of dispensingtip 15 therethrough and stabilize the dispensing tip at a cutting location at intersection 219 (see FIG. 16). As shown inFIGS. 7 and 8 , bothhousing sections engageable housing extensions housing 203 andfinger contours 225 at end 227. The extensions and contours are selectively engageable by a user's finger during use as best suits the need of the user during cutting operations.Openings tip 15 through the passageway. - Channel 235 (
FIG. 8 ) is defined transversely across the exterior ofcase portions lance 237 allows the lance significant length while maintaining the compact form factor of theoverall opener 200.Lance 237 includesintegral pivot 239 held at a hub structure (seeFIGS. 13 and 14 ) formed by structure at each ofhousing sections 205 and 207 (at case portion 211). - As shown in
FIGS. 11 through 14 , ablade guide surface 241 is defined athousing section 207 adjacent to intersection 219. Cutting utility 243 (a replaceable blade, preferably a standard 1.98″ blade) is mounted in slideable blade carriage (or housing) 245 for linear movement alongpassageway 217 inhousing 203.Blade housing 245 includes matableblade retaining sections 247 and 249 (releasably held together by friction fit for ease of blade replacement), withsection 247 including a blade contoureddetent 251 at one end with blade retaining pegs (not shown) receivable at the standard blade stabilizing notches 252 found in mostsuch blades 243 for retainingblade 243 therein (section 249 having a similar retention structure thereat—seeFIGS. 12 and 13 ). - Slide guides 255 at
housing section 205 preferably have contoured upper surfaces with spring stops 257 at one end thereat and are receivable inslide slots 259 ofblade housing section 247 to guide travel of the blade housing without binding during use of the opener.Slide slots 259 each include an arcuate spring retaining detent with aspring stop 260 therein.Blade housing 245 has a central guide slot 261 defined therein bysections 247 and 249 to further guide housing travel atabutment 263 defined athousing section 207. A user contactable (i.e., manually accessible) end 265 ofblade housing 245 defines a plunger/actuator which extends fromhousing 203 at one end thereof (opposite end 227). Return springs 267 are held inslots 259 and are compressible betweenstops housing 245 to cause travel ofblade 243 across passageway intersection 219 for dispenser tip cutting. - Turning now to
FIGS. 11 and 16 through 19,slidable tip locator 271 is provided for user adjustment of the dispenser tip opening size (and thus size of the bead of dispensed material) by controlling the extent of the tip length allowed intopassageway 215.Locator 271 includes a raisedbody 273 having pluralangled passages 275 therethrough (each selectively forming a terminus ofpassageway 215 when positioned thereat). Oppositeside lips 277 are slidably received betweenhousing section 205upper surface detent 279 andretainer elements 281 integrally formed adjacent toupper surface 279. Precise position location is accommodated bydetents 283 atsurface detent 279 and matable raisedprotuberance 285 at the bottom surface of locator 271 (see alsoFIG. 10 ). - Each of the three (fewer or more could be utilized) angled
passages 275 has a different selected diameter. The diameters are selected to allow passage to a selected extent oftip 15 of astandard dispenser 13 intoopener 200 whenlocator 271 is slid into position to bring the selectedpassage 275 into correspondence withopening 231 topassageway 215. By controlling the effective length of the tip allowed inpassageway 215, opening size attip 15 when cut is controlled (seeFIG. 16 ). Various visual cues are imprinted (printed, molded in, or etched, for example) onopener 200 adjacent tolocator 271 to aid the user. Upon engagement (as shown inFIG. 16 ) ofprotuberance 285 with each of the opposing selecteddetents 283, different tip locations are achieved at intersection 219 (due to thedifferent passage 275 diameters), thus defining different cutting locations along the length of an inserted dispensing tip 15 (for tips of the same size) and, therefore, different expelled material bead size. -
Opener 200 is preferably of a size selected so that the opener fits in the palm of the user's hand with the slim design allowing the opener to be carried comfortably in the user's pocket. Dimensions ofopener 200 are preferably about 4″ in length withblade housing 245 fully extended fromhousing 203, 2.75″ wide and 1″ deep. The entire construction, except forblade 243, is preferably plastic thereby reducing tool weight. - As may be appreciated, the angle of cut made be the openers of this invention depends upon the angle of intersection of
elongated passageways 29 and 31 (opener 11) orpassageways 215 and 217 (opener 200). Thus various models of the openers configured to accommodate different cutting angles could be provided to allow cut angles (from 15° to 80°, for example). With respect to the first embodiment, an opener could be configured having two housings, each housing a different one of the passageways, and pivotably connected with each other and indexed, at the passageways' intersection for user setting of angle of cut.
Claims (19)
1. A compact dispensing tube opener for accessing contents of a dispensing tube having a tip that requires cutting to allow dispensing of material from the tube, said opener comprising:
a housing defining first and second passageways intersecting at an angle in said housing, said first passageway for receiving and stabilizing a selected length of the dispensing tip therein and said second passageway having at least a first slide guide adjacent thereto; and
a blade carriage having at least a first guide for slidable movement of said slide guide of said housing thereat, said carriage including a blade receiving end maintained substantially entirely within said housing and a manually accessible portion extending from said housing.
2. The opener of claim 1 further comprising means for changing cross-section of at least a segment of said first passageway thereby accommodating stabilization of the dispensing tip at different user selected cutting locations along the length of the dispensing tip.
3. The opener of claim 1 wherein said blade receiving end of said carriage is configured to receive and retain a standard sized cutting blade.
4. The opener of claim 1 wherein said first slide guide of said housing includes a stop and wherein said guide of said carriage includes a stop, said opener further comprising a return spring held between said stops when said opener is assembled.
5. The opener of claim 1 wherein the dispensing tube includes an inner seal, said opener further comprising a lance pivotably mounted at said housing for puncturing the seal, said housing including a transverse channel extending crosswise in one side of said housing, said lance including a pivot and said housing including a hub together configured so that said lance is pivotable into and out of said channel.
6. The opener of claim 1 wherein said first passageway includes opposite ends each opening through said housing, said intersecting angle of said first and second passageways selected to provide a cutting angle relative to a dispensing tip received in said first passageway of about 45°.
7. The opener of claim 1 wherein said housing includes first and second opposite ends, said first end having said manually accessible portion of said carriage extendible therethrough and said second end configured with spaced finger contours thereat.
8. An opener for accessing contents of a dispensing tube having a dispensing tip that requires cutting to allow dispensing of material from the tube and an inner seal within the tube, said opener comprising:
a housing defining first and second passageways intersecting at an angle in said housing, said first passageway for receiving and stabilizing a length of the dispensing tip between first and second openings of said first passageway, said housing having a narrow cross-section between said first and second openings;
a blade carriage slidably maintained at said second passageway of said housing and having a blade securing end and a manually accessible portion extending from said housing; and
a tip locator movably retained adjacent to said first opening of said first passageway of said housing and having plural angled passages therethrough each with a different diameter and selectively movable into correspondence with said first opening of said first passageway.
9. The opener of claim 8 wherein said locator includes a protuberance thereat and wherein said housing includes a plurality of detents, correspondence of said passages being registered by engagement of said protuberance at a selected detent.
10. The opener of claim 9 wherein said housing includes a surface having said detents thereat between spaced retainer elements, said locator slidable between said retainer elements at said surface.
11. The opener of claim 10 wherein at least one of said housing and said surface includes visual cues thereon adjacent to said locator for aiding a user in operation of said locator.
12. The opener of claim 8 wherein said housing includes first and second spaced slide guides adjacent to said second passageway, and wherein said blade carriage includes first and second guide slots for slidable movement of said first and second slide guides, respectively, of said housing therein.
13. The opener of claim 8 further comprising biasing means for urging said carriage to a return position after use of the cutter.
14. The opener of claim 8 wherein said housing is pocket size, and wherein finger engageable contours and extensions are defined therein.
15. A compact dispensing tube opener for accessing contents of a dispensing tube having a dispensing tip and an inner seal, said opener comprising:
a compact housing having a first passageway extending between first and second openings, an intersection defined between said openings, said housing including a transverse channel extending crosswise in one side of said housing;
a blade carriage movable across said intersection at one end thereof and having a manually accessible portion at an opposite end thereof extending from said housing, said blade carriage including at least a first guide for maintaining slidability of said carriage within said housing during use;
a return maintained in said housing and operatively associated with said carriage for returning said carriage to a position with said one end substantially withdrawn from said intersection;
a tip locator slidably maintained at said housing adjacent to said first opening of said first passageway and having plural angled passages therethrough each with a different diameter and selectively movable into correspondence with said first opening of said first passageway; and
a lance pivotably mounted at said housing for puncturing the seal, said lance pivotable into and out of said channel.
16. The opener of claim 15 wherein said carriage includes first and second blade retaining sections for replaceable securement of a standard sized blade therebetween.
17. The opener of claim 15 wherein said return mechanism includes a spring mounted between a first stop at said housing and a second stop adjacent to said first guide of said carriage.
18. The opener of claim 15 wherein said housing includes first and second spaced slide guides adjacent to said second passageway, and wherein said guide of said blade carriage is a slot, said carriage including a second guide slot, said slots for slidable movement of said first and second slide guides of said housing therein.
19. The opener of claim 18 wherein said housing includes contours at an end thereof opposite said manually accessible portion of said carriage.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/369,407 US7418785B2 (en) | 2005-01-24 | 2006-03-07 | Compact dispensing tube opener |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/041,133 US20060163280A1 (en) | 2005-01-24 | 2005-01-24 | Dispensing tube opener |
US11/369,407 US7418785B2 (en) | 2005-01-24 | 2006-03-07 | Compact dispensing tube opener |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US11/041,133 Continuation-In-Part US20060163280A1 (en) | 2005-01-24 | 2005-01-24 | Dispensing tube opener |
Publications (2)
Publication Number | Publication Date |
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US20060162169A1 true US20060162169A1 (en) | 2006-07-27 |
US7418785B2 US7418785B2 (en) | 2008-09-02 |
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ID=36695130
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US11/041,133 Abandoned US20060163280A1 (en) | 2005-01-24 | 2005-01-24 | Dispensing tube opener |
US11/369,407 Expired - Fee Related US7418785B2 (en) | 2005-01-24 | 2006-03-07 | Compact dispensing tube opener |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US11/041,133 Abandoned US20060163280A1 (en) | 2005-01-24 | 2005-01-24 | Dispensing tube opener |
Country Status (2)
Country | Link |
---|---|
US (2) | US20060163280A1 (en) |
WO (1) | WO2006081133A2 (en) |
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US20100175266A1 (en) * | 2006-08-14 | 2010-07-15 | Fischer Brett W | Cartridge tip cutting device and method |
JP2012132303A (en) * | 2010-12-23 | 2012-07-12 | Sashco Inc | System and method of fixing roofing component with one another |
US20220193717A1 (en) * | 2020-12-18 | 2022-06-23 | Siang Syuan Fu Enterprise Co., Ltd. | Cutter and caulking gun |
US11628465B1 (en) * | 2021-11-12 | 2023-04-18 | Siang Syuan Fu Enterprise Co., Ltd. | Cutter |
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US20080236358A1 (en) * | 2007-03-27 | 2008-10-02 | Vitullo Jeffrey M | Catheter trimmer |
US7836885B2 (en) * | 2007-09-18 | 2010-11-23 | Robert Abrams | Semi-automatic emergency medication dose nebulizer |
US20090151716A1 (en) * | 2007-09-18 | 2009-06-18 | Robert Abrams | Semi-automatic emergency medication dose nebulizer |
FR2937223B1 (en) * | 2008-10-21 | 2011-02-25 | Dupont S T | CIGAR CUTTERS |
US20110192033A1 (en) * | 2010-02-11 | 2011-08-11 | John Mezzalingua Associates, Inc. | Cable stripping tool and method of stripping cable |
US8813371B2 (en) | 2010-05-04 | 2014-08-26 | Vancouver Tool Corporation | Blade protector for cutting tools |
EP2794125A1 (en) * | 2011-12-21 | 2014-10-29 | The Sherwin-Williams Company | Caulking gun with tip cutter mechanism |
US11465267B2 (en) * | 2018-07-20 | 2022-10-11 | Snap-On Incorporated | Tool housing and method for making the same |
US20210024263A1 (en) * | 2018-07-29 | 2021-01-28 | Diarmuid Griffin | Retractable caulking cap |
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US11628465B1 (en) * | 2021-11-12 | 2023-04-18 | Siang Syuan Fu Enterprise Co., Ltd. | Cutter |
Also Published As
Publication number | Publication date |
---|---|
WO2006081133A3 (en) | 2007-09-13 |
WO2006081133A2 (en) | 2006-08-03 |
US20060163280A1 (en) | 2006-07-27 |
US7418785B2 (en) | 2008-09-02 |
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